FE-57 HIGH-PRESSURE MOSSBAUER AND X-RAY STUDIES OF GD2FE17CX INTERSTITIAL COMPOUNDS

被引：10
|
作者：
LI, FS
SUN, JJ
YANG, CL
ZHOU, RJ
SHEN, BG
MICKLITZ, H
ABDELMEGUID, MM
机构：
[1] CHINESE ACAD SCI,INST PHYS,STATE KEY LAB MAGNETISM,BEIJING 100080,PEOPLES R CHINA
[2] UNIV COLOGNE,INST PHYS,LEHRSTUHL ANGEW PHYS,W-5000 COLOGNE 41,GERMANY
来源：
HYPERFINE INTERACTIONS | 1994年 / 94卷 / 1-4期
关键词：
D O I：
10.1007/BF02063723
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The unit cell volume dependence of the Curie temperature of Gd2Fe17 is studied by means of high-pressure Mossbauer spectroscopy. From the pressure dependence of the average isomer shift of Ge2Fe17 at room temperature, the contribution of the pure magnetovolume effect to the change of the average isomer shift is derived. By combining the Mossbauer measurements of Gd2Fe17Cx with different C concentrations at room temperature, the change of IS in Gd2Fe17Cx is dominated by the magnetovolume effect. The contribution of the chemical bonding effect is about 24% of that of the magnetovolume effect, but with negative sign.
引用
收藏
页码：1959 / 1964
页数：6
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